Casement-window adjuster.



G. L. WILKINS.

CASEMENT WINDOW ADJUSTER.

APPLICATION FILED D3014, 190s.

Patented June M, 1910.

3 SHEETS-SHEET 1.

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G. L. WILKINS.

GASEMENT WINDOW ADJUSTER.

APPLICATION FILED DEO.14., 1908.

961 5650 Patented June 14, 1910.

3 SHEETS-SHEET 2.

G. L. WILKINS.

GASEMENT WINDOW ADJUSTER.

APPLICATION FILED DEO.14, 1908.

Patented June 14, 1910.

3 SHEETS-SHEET 3.

. one han GEORGE L. WILKINS, OF CHICAGO, ILLINOIS.

CASEMENT WINDOW ADJUSTER.

ceases.

Specification of Letters Patent. Patented June 14, 1910.

Application filed December 14, 1908. Serial No. 467,427.

T 0 all whom it may concern:

Be it known that I, GEORGE L. Wrmuns, a citizen of the United States, residing at Chicago, inthe county of Cook and State of Illinois, have invented certain new and useful Improvements in Casement-Window Adjusters, of which the following is a specification. v

This invention relates to mechanism for adjusting casement window screens or shutters from a point inside an inner window or screen one form of which is shown and broadly claimed in my United States Patent No. 866,703, issued September 24, 1907.

The object of this invention is to provide a device which retains the feature of excluding insects present in said prior patent and improves upon it by providing an improved locking mechanism and window operatnr lever adapted to be operated by of the user and be locked by gravity at any desired position.

A further object of the invention is to provide means for adjustin the position of the locking mechanism so t at in the event of the device being improperly a plied so that the window controlled by t e device does not close quite tightly or closes a little too tightly adjustment may be made to bring it to proper position.

A further object of the invention is to rovide mechanism by which the operating ever engages the outer or casement window in a non-rattling1 manner, this without interfering with t e ready operation of the mechanism.

A further object of the invention is to provide a locking mechanism concealedwithin the lever itself adapted to lock the lever n any desired position. 7

The invention consists in a sim le mechanism capable of carrying out a of the foregoing objects which can be easily and cheaply made and installed and is not readily liable to get out of order.

It also consists in other details of construction which will be hereafter more fully described and claimed as the specification proceeds.

Referring to the drawings, Fi ure 1 is a front view of a window frame t 6 window or screen and a casement window having the device of this invention applied thereto. Fig. 2 is a plan view of the parts shown in the glass for this purpose.

Fig. 1, showing in full lines the casement window in closed position and in dotted lines said window partially o ened. Figs. 3, 4 and 5 are vertical sectionai detail views on the lines corresponding to the same numerals in Fig. 2. Fig. 6 1s a detail view corresponding to Fig. 5 showin the operating lever in unlocked or mova le position. Fig. 7 is-a detail plan View on the line 77 of Fig. 4. Fig. 8 is a detail plan view of the locking pinion. Fig. 9 isa detail perspeclivc view of the locking block or latch. Fig. 10 is a sectional detailview through the mechanism for securing the lever to the casement window taken on the line 10-10 of Fig. 1. Fi 11 is a plan view of a simplified form 0? the device. Fig. 12 is a vertical sectional View taken on line 12-12 Fig. 11. Fig. 13 is a detail view of the adjustable base plate. Fig. 14 shows a supplemental locking device or plate which may bensed for locking the mechanism heretofore described so that burglars may not readily operate the device should they break As heretofore state the device is adapted for opening an outside casement windowor screen 12, hinged at 13 to the window frame 1 1, from the opposite side of an inner win dow, or screen 16, without permitting the entrance of insects through the inner window or screen 16. The stronger preferred form of the device is shown in Figs. 1 to 10 inclusive while a cheaper form is shown in Figs. 11-13. In order to do this with the preferred form of device, a notch 17 is cut in the frame of the window or screen 16 to allow the insertion of the block' 18 secured to the window sill 19 by means of the screws 20 or other suitable mechanism and through this block is inserted an operating lever so closely contacting with the block in all positions that insectscan not enter between the lever and the block. This lever and its operating mechanism, common to both forms of the device, will be fully describcdhere after. The block 18 itself is of peculiar construction. in that it comprises two hollow end supports tops by a solid'bar member 24 and at their bottoms by a plate 25 provided with a perforated lug 26 which is engaged by adjusting screws 27 and 28, adapted, when properly rotated, to move the bearing member 22 and 23 connected at their 25"'outer end carrying a weight or handle 47..

26 either one way orthe other across the opening 29 within the hollow member 22, said movement causing the plate 25 to rotate about the screw 32 Inserted throu h said plate into the bossor lug 34. This epending lug or boss 34 is circular in horizontal cross section as shown so as to form 'a bearing forthe o crating lever.

. The operating lever for the window 12 is journaled upon the lug 34 by means of an enlarged circular ring or (body portion 36 v made hollow on its'underside with two depending concentric circular rings 37 and 38 the latter bearing upon the lug 34, the former closely approachingthe points 39 and 40 respectively upon the members 22' and 23 heretofore described. Extending from one side of the annular rin or body portion 36 is a lever 42 connecte '20 the manner to be hereafter described and to the window in extending from the opposite side of the ring portion 36 are two forked members between which is journaled at 45 a lever 'inember f46 tiltabler'in a vertical plane, its

: Rotatably mounted in the space inside the ring member 36, between the rings 37 and 38, fis an annular ring locking block 50 having upon its outercircumferencea set of gear teeth 51. These gear teeth extend around the circumference of this ring or block through anarc ofa circle at least equal to the arc of travel of the operating lever and preferably somewhat farther. The disk .50

carrying teeth 51 is rigidly secured by any suitable means such as screws 68 to the plate 25. These two parts may be made in one piece and the screws 68 omitted without departing from the invention. 4 Meshing with these teeth 51 when the lever or handle 46 is in the position of F ig- 5 are teeth 53 I upon a dog 54 rigidl secured by screws 55 or any 0t er sultab e means tolthe lever 46. This dog .54 is so proportioned and 1 ,45 shaped that when the lever 46 is moved to I the position of Fig. 6 the'teeth 53 are out of mesh with the teeth 51; These arts are also so shaped that when the ban e 46 .-is depressed to the position of Fig. '5 the teeth 53 are interlocked with teeth 51 thereby, because of the ring 50 bein secured to plate 25, securing all parts rig1dly in. stationary position together. As the end'47 of of the handle 46 is weightedas shown it will "b e-' seen that gravity .causes these teeth to normally intermesh and that it is only by an operator lifting the handle 46f'upward thatthe teeth will. clear each other. As the Q 'late.2 5, is pivoted upon the screw 32 and 0';1s'.adjustableabout that screw by means of p itheghandle 46 isfwei h'ted as shown it will s g -any be seen that't e position of the lever l 42 with reference to the window may be slightly adjusted-in a horizontal plane. This ad ustment is important whenever the car.

through a slot 65 in the tube 60. The p y of this use of two split tubes one insideggthe 1 thin only takes a ve spring-may be use penter or other workman installing the de-" lever 42 is provided with a short tubular "member 57 pivoted thereto by means of a screw 56, said tubular member 57 being split upon the window 12 by means of anyssliit' able brackets as 61 secured to thewind'ow,

the member 63 connecting the tube5 to h shaft 56 being adapted to slide lengt other, is that when any pressure is exerted by the lever mechanism described either to. open or close the window, either the inner tube will contract or the outer tube'will eggpand a suflicient amount to allow the move-T" ment desired while at all other-times they? contact each other with sufiicient pressure to prevent rattle between the parts when the the window 12.

form of the evice the operator attempts to locate the device on the window sill as shown .wind or any other similar element engages In the com lete operation of the preferred in Figs. 1 and 2. If any slight adjustment f is necessary to bring the win ow to accurate closed position the screws27 and 28 are adjusted for the purpose as described.- -When the operator desires to open the window .12 he raises handle 46 and wei ht 47 from the position of Fig. 5 to that 0 Fig. .6 thereby unlocking teeth 53 from teeth 51. 'He nowmoves the lever mechanism to any desired position and lets go of handle 46 when it,

under the action of weight '47, drops to the position of Fig. 5 there locking the win-' ow. 'As the teeth 51 and 53 are relatively sli ht sidewise movement of the lever an han e to insure the teeth meshing and thus accom li hi the result just stated. I

' It-is of-course erfectly manifest that a d in place of wei ht 47 for causing handle 46 to move to locke osltion. A flat steel spring 69 is shown for t is pur- In the modified or cheap construction shown in Figs. 11, 12 and 13, the block 24 is entirely omitted. A base plate 71 issubpose in Fig. 11 but it is wholly unnecessary.

stituted for plate 25 and secured to the v dow sill 19 by the screws 72. These screws pass through elongated slots 74 by the use of which the plate 71 is adjustable about pivot 79 substantially as plate 25 is. Acircular boss or lug 76 exact y like boss 34 is rigidly attached to'this plate 71. The lever with its locking and operating mechanism, is exa'ctl the same as in the preferred construction. t

75 at 58 and inserted in slidable position within another tubular member 60 rigidly mounted rotates on the boss 76 as it' rotates on boss 34, being secured in place by the washer 78 and screw 79 which as shown enters the window sill but this screw may be made shorter and not enter the sill. The insects are kept out bymaking the cut 80 in the screen frame 81 conform to the parts just described as shown at the left of Fig. 12.

The circular ring 83 on each base plate is merely a support for the ring 50 so that it and the dog 54: will be in the same lane when either one of the forms of the evice are locked.

To sum up the foregoing specification it will be seen that this invention rovidesan operating lever which noiseless y engages the window which can be operated through the inner window or screen without the admission of insects, in which one hand of the operator can completely and fully operate the device, in whlch the device locks automatically, preferably by gravity and can be adjusted within the limits of the width of the locking teeth to any position of window opening and in which the locking device can be adjusted to take up slight errors in installing the device upon a window.

In order to render the device in a sense at least burglar roof, a locking plate 85 may be rovlded, aving if desired a handle 86, to s 'p under the locking lever 46 and a portion of the block 50 and in close contact therewith, as shown in Fig. 14 thereby preventing the movement of the lever 46 to the osition of Fig. 6 and the consequent operatlon of the window.

The claims are:

1. In a casement window adjuster, a leen a ivot mountin for said lever, a fixed loc ing block havlng gear teeth thereon adapted to be engaged by said pivotally mounted handle, said locking block being housed within said lever so as to be concealed thereby in all positions of adjustment.

2. In a casement window adjuster, a lever having one end ada ted to be operatively connected to a win ow and an operating handle at its opposite end, a pivot mounting for said lever, a fixed locking block, locking mechanism for detachably securing the lever and lockin block together, and means for adjusting t e position of the locking block with reference to the pivot mounting.

3. In a casement window adjuster the combination of an operating lever, a split tubular member pivotally secured thereto, another split tubular member within which said first mentioned tubular member slides and means for securing the second mentioned tubular member to the window to be adjusted.

In witness whereof, I have hereunto subscribed my name in the presence of two witnesses.

GEORGE L. WILKINS.

40 a ivotally mounted handle at its opposite 

